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Finding the Fourth Proportional to 6,952,803.20, 10,429,204.80 and 6,700,860.80

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Solution

The fourth proportional to 6,952,803.20, 10,429,204.80 and 6,700,860.80 is: 10,051,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,952,803.20 : 10,429,204.80 = 6,700,860.80 : x
  2. Step 2: Convert to fraction form
    6,952,803.20/10,429,204.80 = 6,700,860.80/x
  3. Step 3: Cross multiply
    6,952,803.20x = 10,429,204.80 × 6,700,860.80
  4. Step 4: Simplify right side
    6,952,803.20x = 69,884,649,619,491.84
  5. Step 5: Solve for x
    x = 69,884,649,619,491.84/6,952,803.20
  6. Step 6: Final answer
    x = 10,051,291.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.